(Mozart: Die Entführung aus dem Serail). Bass. Keeper of Pasha Selim's harem, he is a bloodthirsty character. He has fallen in love with Blondchen, who has been captured together with her mistress and is being held in the harem. When her true lover Pedrillo, and his master Belmonte, attempt to enter the harem, they have to drug Osmin to enable them to rescue their ladies. Before they manage to leave, Osmin recovers and again prevents their escape. Created (1782) by Ludwig Fischer.